Q: What is the sum of all factors of the number 1,987,890 including 1,987,890?
A: 5,170,176
The factors of the number 1,987,890 are: 1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 67, 69, 86, 115, 129, 134, 138, 201, 215, 230, 258, 335, 345, 402, 430, 645, 670, 690, 989, 1005, 1290, 1541, 1978, 2010, 2881, 2967, 3082, 4623, 4945, 5762, 5934, 7705, 8643, 9246, 9890, 14405, 14835, 15410, 17286, 23115, 28810, 29670, 43215, 46230, 66263, 86430, 132526, 198789, 331315, 397578, 662630, 993945, 1987890.
If you add them up, you will get the total of 5,170,176.